Wat zijn de huidige kansen voor Is 5 the only semi-nice number??

Manifold Markets prijst No op 92.5% per 25 oktober 2026.

Wanneer wordt Is 5 the only semi-nice number? afgewikkeld?

Is 5 the only semi-nice number? wordt naar verwachting op 1 januari 2031 afgewikkeld.

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binary

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Play-money forecasting platform

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Bijgewerkt 6 uur geleden

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19 sep 23, 03:01 UTC1 jan 31, 05:59 UTC

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A nice number is a natural number such that its square and cube combined contain all digits exactly once, without needing to use any leading zeros.

A semi-nice number is a number that is not nice in a given base, but would be nice in that base if leading zeros were allowed.
Currently, the only known semi-nice number is 5: In base six, 5^2 = 41 and 5^3 = 325, covering all the digits except zero.
This market resolves YES if it is proven that 5 is the only semi-nice number in any base, and NO if it is proven that another semi-nice number exists.